Marginal#4: Kiss kara Tsukuru Big Bang EP3 - Episode 3

L and R are scheduled to film a commercial for a new pasta sauce. Even though he's nervous about their first gig with just the two of them, R is intently studying in preparation. L, however, can only observe R with mixed feelings... And then it's time to record. While the rehearsal went smoothly, all sorts of problems crop up before the main take. As if that wasn't enough, L starts to act strangely after putting on a ring he found in the studio...